The mod Intergalactic Trading Company caused a non-recoverable error.
Please report this error to the mod author.
Error while running event ITC::on_gui_click (ID 1)
ITC/control.lua:2999: attempt to index field '?' (a nil value)
stack traceback:
ITC/control.lua:2999: in function 'gui_3'
ITC/control.lua:3644: in function <ITC/control.lua:3619>
